I'd like to take _____ of this opportunity to thank you all for your cooperation.
| A．profit | B．benefit | C．advantage | D．interests |
— I ____ to a party, but I’ve got nothing to wear.
— Why don’t you have a dress made for the party?
| A．was asked | B．will ask | C．have asked | D．have been asked |
—Where do you think _____ he _____ the computer?
— Sorry. I have no idea.
| A．has ； bought | B．／； bought | C．did ； buy | D．had ； bought |
I know Mr Brown；we _____ to each other at an international conference.
| A．are introduced | B．have been introduced |
| C．were introduced | D．had been introduced |
We _____ with you for the time being.
| A．will stay | B．will be staying | C．would stay | D．have stayed |
—Who sings best in your class?
—Mary _____.
| A．is | B．does | C．do | D．sing |